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Diffstat (limited to 'lib')
-rw-r--r--lib/select.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/lib/select.c b/lib/select.c
index 5bd8ea466..7b55138df 100644
--- a/lib/select.c
+++ b/lib/select.c
@@ -51,9 +51,15 @@
#include "select.h"
#ifdef WIN32
-#define VALID_SOCK(s) (1) /* Win-sockets are not in range [0..FD_SETSIZE> */
+#define VERIFY_SOCK(x) /* Win-sockets are not in range [0..FD_SETSIZE> */
#else
#define VALID_SOCK(s) (((s) >= 0) && ((s) < FD_SETSIZE))
+#define VERIFY_SOCK(x) do { \
+ if(!VALID_SOCK(x)) { \
+ errno = EINVAL; \
+ return -1; \
+ } \
+} while(0)
#endif
/*
@@ -129,10 +135,7 @@ int Curl_select(curl_socket_t readfd, curl_socket_t writefd, int timeout_ms)
FD_ZERO(&fds_read);
if (readfd != CURL_SOCKET_BAD) {
- if (!VALID_SOCK(readfd)) {
- errno = EINVAL;
- return -1;
- }
+ VERIFY_SOCK(readfd);
FD_SET(readfd, &fds_read);
FD_SET(readfd, &fds_err);
maxfd = readfd;
@@ -140,13 +143,10 @@ int Curl_select(curl_socket_t readfd, curl_socket_t writefd, int timeout_ms)
FD_ZERO(&fds_write);
if (writefd != CURL_SOCKET_BAD) {
- if (!VALID_SOCK(writefd)) {
- errno = EINVAL;
- return -1;
- }
+ VERIFY_SOCK(writefd);
FD_SET(writefd, &fds_write);
FD_SET(writefd, &fds_err);
- if (writefd > maxfd)
+ if (writefd > maxfd)s
maxfd = writefd;
}